JP2002509673A - 同調方法およびトランシーバユニット - Google Patents

同調方法およびトランシーバユニット

Info

Publication number
JP2002509673A
JP2002509673A JP54106299A JP54106299A JP2002509673A JP 2002509673 A JP2002509673 A JP 2002509673A JP 54106299 A JP54106299 A JP 54106299A JP 54106299 A JP54106299 A JP 54106299A JP 2002509673 A JP2002509673 A JP 2002509673A
Authority
JP
Japan
Prior art keywords
signal
filter means
transceiver unit
transceiver
filter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP54106299A
Other languages
English (en)
Japanese (ja)
Inventor
カリ ニエメーレ
Original Assignee
ノキア ネットワークス オサケ ユキチュア
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ノキア ネットワークス オサケ ユキチュア filed Critical ノキア ネットワークス オサケ ユキチュア
Publication of JP2002509673A publication Critical patent/JP2002509673A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/0082—Monitoring; Testing using service channels; using auxiliary channels
    • H04B17/0085—Monitoring; Testing using service channels; using auxiliary channels using test signal generators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Quality & Reliability (AREA)
  • Transceivers (AREA)
  • Transmitters (AREA)
  • Circuits Of Receivers In General (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
JP54106299A 1998-01-28 1999-01-25 同調方法およびトランシーバユニット Pending JP2002509673A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI980188 1998-01-28
FI980188A FI107766B (fi) 1998-01-28 1998-01-28 Viritysmenetelmä ja lähetinvastaanotinyksikkö
PCT/FI1999/000048 WO1999041842A1 (en) 1998-01-28 1999-01-25 Tuning method and transceiver unit

Publications (1)

Publication Number Publication Date
JP2002509673A true JP2002509673A (ja) 2002-03-26

Family

ID=8550588

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54106299A Pending JP2002509673A (ja) 1998-01-28 1999-01-25 同調方法およびトランシーバユニット

Country Status (8)

Country Link
US (1) US6347222B1 (zh)
EP (1) EP0972353A1 (zh)
JP (1) JP2002509673A (zh)
CN (1) CN1256027A (zh)
AU (1) AU2166399A (zh)
FI (1) FI107766B (zh)
NO (1) NO994709L (zh)
WO (1) WO1999041842A1 (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6766150B1 (en) * 2000-05-24 2004-07-20 Samsung Electronics Co., Ltd. System and method for tuning a narrowband cavity filter used in a CDMA transmitter
US6898419B1 (en) * 2001-04-30 2005-05-24 Nortel Networks Corporation Remotely adjustable bandpass filter
US7426348B2 (en) * 2003-01-15 2008-09-16 Avago Technologies Fiber Ip Pte Ltd Calibrating an optical transceiver via adaptive testing
US7340280B2 (en) 2004-02-26 2008-03-04 Nokia Corporation Method of configuring base station, and base station
DE102007039174A1 (de) * 2007-08-20 2009-02-26 Rohde & Schwarz Gmbh & Co. Kg Verfahren zum Testen der Zuweisung einer Übertragungsfrequenz, Testgerät und Basisstation
US9118408B2 (en) * 2012-02-03 2015-08-25 Apple Inc. Methods and apparatus for improving performance based on filter characteristics

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4726071A (en) * 1984-12-31 1988-02-16 Orion Industries, Inc. Microprocessor controlled self-tuning resonant cavity and method
SE467717B (sv) * 1990-12-21 1992-08-31 Ericsson Telefon Ab L M Foerfarande foer finavstaemning av resonansfrekvensen foer ett filter i en combiner
FI87864C (fi) * 1991-05-09 1993-02-25 Telenokia Oy Anordning och foerfarande foer reglering av ett bandpassfilter, saerskilt ett kombinatorfilter
FI91469C (fi) * 1992-03-31 1994-06-27 Nokia Telecommunications Oy Menetelmä RF-kaistanpäästösuodattimen virittämiseksi
FI93064C (fi) * 1992-12-30 1995-02-10 Nokia Telecommunications Oy Laite ja menetelmä kaistanpäästösuodattimen, erityisesti kompainerisuodattimen säätämiseksi
FI94690C (fi) * 1992-12-30 1995-10-10 Nokia Telecommunications Oy Laite kompainerisuodattimen virittämiseksi ja menetelmä erotusmittauksen suorittamiseksi
FI99217C (fi) 1995-07-03 1997-10-27 Nokia Telecommunications Oy Menetelmä tukiaseman summausverkon virittämiseksi, kytkentäelin sekä kaistanpäästösuodatin
US6081700A (en) * 1996-12-17 2000-06-27 Motorola, Inc. Radio having a self-tuning antenna and method thereof

Also Published As

Publication number Publication date
CN1256027A (zh) 2000-06-07
FI980188A (fi) 1999-07-29
FI980188A0 (fi) 1998-01-28
NO994709D0 (no) 1999-09-27
NO994709L (no) 1999-09-27
EP0972353A1 (en) 2000-01-19
AU2166399A (en) 1999-08-30
WO1999041842A1 (en) 1999-08-19
FI107766B (fi) 2001-09-28
US6347222B1 (en) 2002-02-12

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